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| Separatory Funnel PTFE Stopcock 500 ml | Separatory Funnel PTFE Stopcock 500 ml with Hardware | Silicone Hot Hand Protector Beaker Flask | 
| Catalog #: 3964-4 | Catalog #: 3964-4H | Catalog #: 3343-72 | 
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| Simple / Voltic Cell | Simple Basic Switch | Simple Cell Model | 
| Catalog #: 1529-1 | Catalog #: 1990-50 | Catalog #: 1529-25 | 
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                      Our price: $1.75
                      
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| Simplest Motor Physics | Slide Box Plastic 50 Slides | Slide Making Kit Basic Parts LZ | 
| Catalog #: 1940-10 | Catalog #: B173-5 | Catalog #: B145-50 | 
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| Slide Making Kit Basic Parts with Slide Box LZ | Slide Wire Rheostats Economy 10.0 ohms 2.0 amps | Slide Wire Rheostats Economy 20.0 ohms 2.0 amps | 
| Catalog #: B145-56 | Catalog #: 1868-1 | Catalog #: 1868-2 | 
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| Slide Wire Rheostats Economy 200.0 ohms 1.5 amps | Slide Wire Rheostats Economy 50.0 ohms 1.5 amps | Slide Wire Rheostats Economy 50.0 ohms 2.0 amps | 
| Catalog #: 1868-3 | Catalog #: 1868-4 | Catalog #: 1868-5 | 
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                      Our price: $27.50
                      
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                      Our price: $13.50
                      
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                      Our price: $27.50
                      
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